March 12 (UPI) -- Rep. Jim Clyburn, D-S.C., announced Thursday that he will run for his 18th term in the House of Representatives.

Clyburn, 85, said he is going to run a "very vigorous campaign."

"Today I'm going to answer a question that's always asked: What is there unfinished or what more do you need to do? Well, it's in the preamble of our Constitution: We exist in pursuit of a more perfect union," he said. "And I'm here today to say I do believe that I am very well-equipped -- and healthy enough -- to move into the next term, trying to do the things that are necessary to continue that pursuit of perfection."

About his age, Clyburn said, "If I were not up to it, I would not do it. But in response to some extensive surveys, some intense consultations with my three daughters, they finally got to a unanimous opinion that I should be here today and make this announcement."

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